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Mohammad
Mathematics
4 January, 17:44
How do I solve 1/2 (x+4-21x-5) = 46
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Cyrus Frazier
4 January, 17:48
0
x=-91/1840
Step-by-step explanation:
Firstly deal with the bracket
2 (x+4-21x-5)
2 (x-21x+4-5)
2 (-20x-1)
-40x-2
Back to the question
1/-40x-2=46
Cross multiply
46 (-40x-2) = 1
-1840x-92=1
Add 92 to both sides
-1840x=91
Divide both sides by-1840
x=-91/1840
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Tessa Case
4 January, 17:55
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x=-4.65
Step-by-step explanation:
1/2 (x+4-21x-5) = 46
1/2 (-20x-1) = 46
1/2 (-20x) + 1/2 (-1) = 46
1/2 (-20x) -.5=46
1/2 (-20x) +.5=46
.5 (-20x) = 46.5/.5
-20x=93
x=-4.65
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